[HIGHLIGHTS] The UFC fighter admitted: I gave "the deadliest knee", and it made me feel bad - voila! sport

Sean O'Malley landed a powerful knee to Chito Vera's face at UFC 299. It was billed as "one of the deadliest knees in UFC history" Vera's head was blown up by the powerful blow.

O'Malley said it was the loudest pop he'd ever heard in a mecca getting dressed. He admitted it made him feel nauseous, but it's all part of the game. He said: "There's a part of me that feels bad for him, but this is the game"